Year	Number
1950	72.943
1951	74.144
1952	75.541
1953	76.555
1954	77.056
1955	77.185
1956	78.845
1957	79.654
1958	80.06
1959	80.465
1960	81.01
1961	82.253
1962	83.595
1963	84.844
1964	85.649
1965	85.855
1966	86.818
1967	87.134
1968	87.002
1969	86.747
1970	86.567
1971	87.351
1972	88.08
1973	88.765
1974	89.329
1975	89.708
1976	91.086
1977	92.158
1978	93.002
1979	93.729
1980	94.407
1981	95.821
1982	96.992
1983	97.956
1984	98.731
1985	99.352
1986	100.573
1987	101.444
1988	102.059
1989	102.493
1990	102.776
1991	103.738
1992	104.433
1993	104.9
1994	105.179
1995	105.312
1996	106.161
1997	106.674
1998	106.938
1999	107.041
2000	107.038
2001	107.635
2002	107.943
2003	108.002
2004	107.81
2005	107.35
2006	107.44
2007	107.213
2008	106.702
2009	105.952
2010	105.016
2011	104.541
2012	103.79
2013	102.85
2014	101.801
2015	100.687
2016	100.05
2017	99.26
2018	98.343
2019	97.319
2020	96.202
2021	95.445
2022	94.535
2023	93.504
2024	92.38
2025	91.185
2026	90.306
2027	89.302
2028	88.202
2029	87.025
2030	85.79
2031	84.818
2032	83.742
2033	82.593
2034	81.399
2035	80.183
2036	79.208
2037	78.177
2038	77.103
2039	75.998
2040	74.874
2041	73.977
2042	73.025
2043	72.039
2044	71.041
2045	70.047
2046	69.249
2047	68.425
2048	67.583
2049	66.733
2050	65.882
2051	65.202
2052	64.493
2053	63.771
2054	63.049
2055	62.337
2056	61.774
2057	61.194
2058	60.608
2059	60.023
2060	59.448
2061	58.999
2062	58.536
2063	58.068
2064	57.602
2065	57.143
2066	56.796
2067	56.435
2068	56.067
2069	55.702
2070	55.346
2071	55.082
2072	54.81
2073	54.533
2074	54.258
2075	53.989
2076	53.802
2077	53.603
2078	53.399
2079	53.199
2080	53.008
2081	52.887
2082	52.76
2083	52.632
2084	52.506
2085	52.386
2086	52.339
2087	52.284
2088	52.228
2089	52.177
2090	52.138
2091	52.159
2092	52.181
2093	52.207
2094	52.239
2095	52.279
2096	52.372
2097	52.461
2098	52.553
2099	52.654
2100	52.77